Supraspinal centers regulating sexual function
  Level   Nucleus   Role

  Cortex/thalamus   Medial amygdala   Sexual libido and orgasm
    Stria terminalis  
    Hippocampus   Sexual arousal
  Diencephalon (medial hypothalamus)   Medial preoptic area   Sexual motivation/integrative area
    Paraventricular nucleus   Penile erection
  Brainstem   Medullary reticular formation   Somatovisceral information relay/modulation of segmental reflexes